Mitel MIVOICE OFFICE 250, Installation And Administration Manual, Page: 223 / 585

Installation
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Figure 9: Single T1/E1/PRI Module Faceplate LED Summary
Table 33: Single T1/E1/PRI Module LED Summary — 3 LEDs
LED Name Color Indication
REF CLK Green ON: Span provides the reference clock for the system.
OFF: Span does not provide the reference clock for the system.
REMOVE ON: Board is safe to remove.
OFF: Board is not ready to be removed
ONLINE ON: Board is online and functioning normally.
OFF: Board is not online.
Table 34: Single T1/E1/PRI Module LED Summary — RJ-45 LEDs
LED Name LED Color Indication
Test port LEDs N/A Not used
SYNC
(synchronization and
alarm status)
1 Green Solid green: Stable state.
Blinking green: Initial trouble state or clearing trouble state.
OFF: Stable error state or span is disabled/not active.
MSTR (reference
clock)
2 Green ON: Follows the span configuration as programmed in the
database. The LED is on if the port/span is programmed for
“Master for Private Network,” as selected in the Reference Clock
List programming.
OFF: Span does not provide the reference clock for the system.
1 2
RJ–45 Green LEDs
LED Indicators
Test Port Span